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The Weiss System of Street Car Motors

The American Institute Exhibition

Books for the Insane in Asylums

The Rich Coal Fields of Colorado

Interesting Experiments with Simple Apparatus

By H. J. Holden

An Improved Drill for Renewing Worn Out Valves and Valve Seats

An Improved Railway Tie

An Improved Telescoping Stovepipe Joint

An Improved Cloth Measuring Device

An Improved Door Latch and Lock

An Improved Car Coupling

How to Make a Camera Bellows

Sargent's Palm. (ChamæPhenix Sargentii.)

Improved Hotchkiss and Mountain Guns

Agricultural Inventions - November 12, 1887

Miscellaneous Inventions - November 12, 1887

Engineering Inventions - November 12, 1887

To Inventors - November 12, 1887


  • Recommended

    New Books and Publications - November 12, 1887

  • Departments

    Business and Personal - November 12, 1887

  • Notes and Queries - November 12, 1887

  • Index of Inventions - November 12, 1887

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